feat(radio): add conditional exFAT support (#7352)

radio/src/CMakeLists.txt

@@ -59,6 +59,7 @@ else()
   option(USBJ_EX "Enable USB Joystick Extension" ON)
 endif()
 option(AUDIO "Enable audio" ON)
+option(EXFAT "Enable exFAT filesystem support in FatFs" OFF)
 
 if(NATIVE_BUILD)
   option(ALL_LANGUAGES "Enable runtime language selection" ON)

radio/src/hal/CMakeLists.txt

@@ -27,6 +27,10 @@ endif()
 
 include_directories(${FATFS_DIR} ${FATFS_DIR}/option)
 
+if(EXFAT)
+  add_definitions(-DFF_FS_EXFAT=1)
+endif()
+
 set(BOOTLOADER_SRC ${BOOTLOADER_SRC}
   ${CMAKE_CURRENT_SOURCE_DIR}/hal/key_driver.cpp
 )

radio/src/thirdparty/FatFs/ffconf.h

@@ -238,7 +238,9 @@
 /  buffer in the filesystem object (FATFS) is used for the file data transfer. */
 
 
+#ifndef FF_FS_EXFAT
 #define FF_FS_EXFAT		0
+#endif
 /* This option switches support for exFAT filesystem. (0:Disable or 1:Enable)
 /  To enable exFAT, also LFN needs to be enabled. (FF_USE_LFN >= 1)
 /  Note that enabling exFAT discards ANSI C (C89) compatibility. */